Neurology

A large prospective study in JAMA finds higher caffeinated coffee and tea intake is associated with lower dementia risk and modestly better cognitive function over decades of follow-up.

National data show cumulative lead exposure may triple Alzheimer’s risk and account for 18% of dementia cases annually.

Long-term trial data suggest speed-based cognitive training with boosters may reduce the risk of dementia diagnosis years later.

A UK trial suggests a ketogenic diet may modestly improve symptoms in treatment-resistant depression, but adherence remains a challenge.

New research links psychotic experiences to early brain ageing, offering clues about psychosis risk in young adults.

Study shows non-brain diseases such as diabetes, hearing loss, and liver disease, account for nearly one-third of dementia cases worldwide.

Cumulative psychosocial stress across childhood and adulthood is linked to higher dementia and stroke risk, partly driven by depression.

Long-term Framingham data show traumatic brain injury in older adults, often caused by falls, is linked to higher dementia-related mortality, with risk rising alongside injury severity.